Question

The tension of a string is increased by 44%. If its frequency of vibration is to remain unchanged, its wavelength must be increased by -

• A. 44%
• B. $\sqrt{44}\%$
• C. 22%
• D. 20%

Answer 1

Answer: (A)

44%

Answer 2

$\frac{T}{4} = 0.170$ Ž T = 4 × 0.170 , n = $\frac{1}{T}$